Perhaps you should try some spelling variations:
"nhung thi quen vang. doi tuong hoc bai" » "nhung thoi quen vang. doi tuong hoc bai", "nhung tri quen vang. doi tuong hoc bai", "nhung chi quen vang. doi tuong hoc bai", "nhung thi quan van. doi tuong hoc bai", "nhung thi que van. doi tuong hoc bai", "nhung thi que lang. doi tuong hoc bai", "nhung thi quen vang. moi truong hoc bai", "nhung thi quen vang. doi song hoc bai", "nhung thi quen vang. doi truong hoc bai", "nhung thi quen vang. doi tuong ho bai", "nhung thi quen vang. doi duong hoc bai", "nhung thi quan vang. doi tuong hoc bai", "nhung thi huyen vang. doi tuong hoc bai", "nhung thi quen vang. doi tuong hoc dai", "nhung thi quen vang. doi tuong hoc giai"
"phung thi luan van. hoc dong hoc mo" » "phung thi lan van. hoc dong hoc mo", "phung thi xuan van. hoc dong hoc mo", "phung thi loan van. hoc dong hoc mo", "phung thi luan van. hoc duong hoc mo", "phung thi luan van. hoc cong hoc mo", "phung thi luan van. hoc dung hoc mo", "phung thi luan van. hoc dong co mo", "phung thi luan van. hoc dong luc mo", "phung thi luan van. hoc dong hoc moi", "phung thi luan van. hoc dong hoc mot", "phung thi luan van. hoc dong hoc mon", "phuong thi luan van. hoc dong hoc mo", "chung thi luan van. hoc dong hoc mo", "phong thi luan van. hoc dong hoc mo"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("phung thi luan van. hoc dong hoc mo") or ("nhung thi quen vang. doi tuong hoc bai"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("phung thi luan van. hoc dong hoc mo") OR ("nhung thi quen vang. doi tuong hoc bai")).
• Removing quotes may allow a broader search: (( phung thi luan van. hoc dong hoc mo ) or ( nhung thi quen vang. doi tuong hoc bai )).
• Adding a wildcard symbol may retrieve word variants: (("phung thi luan van. hoc dong hoc mo") or ("nhung thi quen vang. doi tuong hoc bai"))*.